Is mailgun.com Safe? Security Analysis for Transactional Email API Service For Developers | Mailgun
Check if mailgun.com is a scam or legitimate. Free security scan and reviews.
AI Summary
Mailgun is a leading transactional email API service provider targeting developers and businesses requiring reliable email delivery, tracking, and optimization. Owned by Sinch, the company serves over 150,000 businesses including major tech firms, positioning itself as a market leader in email infrastructure services. The website demonstrates a mature digital presence with comprehensive product offerings, strong branding, and extensive developer resources. Technically, the site is built on WordPress with modern frameworks and optimized for performance and SEO. Security posture is strong with HTTPS, CSP monitoring, and a dedicated security portal, though explicit incident response contacts and vulnerability disclosures are not publicly visible. Overall, the site is professional, trustworthy, and business-focused, though WHOIS data is unavailable, likely due to privacy protections.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Mailgun operates a SaaS business model providing email APIs and related services to a broad developer and enterprise audience. Its market position is strong, supported by a large client base and integration with Sinch. The company offers a suite of email-related tools including sending, validation, deliverability optimization, and testing. Partnerships with companies like Mailjet and Email on Acid enhance its ecosystem. The website content and navigation reflect a focus on developer usability and enterprise readiness. Revenue streams likely include subscription plans and enterprise contracts. The presence of a security portal and status page indicates operational transparency and customer support maturity.
Security Posture Analysis
Comprehensive Security Assessment
The website employs HTTPS with strong SSL configuration and security headers such as Content Security Policy. It monitors CSP violations and provides a security portal for transparency. No exposed sensitive data or vulnerable libraries were detected in the HTML content. However, the absence of a public incident response contact or vulnerability disclosure program limits full security transparency. GDPR compliance indicators are present via privacy and cookie policies with consent mechanisms. Overall, the security posture is robust but could be improved by publishing explicit incident response and vulnerability disclosure information.
Strategic Recommendations
Priority Actions for Security Improvement
Publish explicit incident response contact information and procedures on the website.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Transactional Email API Service For Developers | Mailgun
Powerful Transactional Email APIs that enable you to send, receive, and track emails, built with developers in mind. Learn more today!
excellent
consistent
Technical Stack
fast
excellent
good
excellent
Security Assessment
- HTTPS enforced
- Content Security Policy monitoring
- Security portal available
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and navigation
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
Complex SPF record
LOWToo many include statements can cause lookup limits
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DKIM Selectors Found
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 58 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings